NUMERICAL CALCULATION FOR ELECTROSTATIC DECELERATING LENS ENERGY ANALYZER

HU Yu-Min; LI Yi

Chinese Physics C> 1989, Vol. 13> Issue(6) : 490-493

NUMERICAL CALCULATION FOR ELECTROSTATIC DECELERATING LENS ENERGY ANALYZER

HU Yu-Min ^, ,
LI Yi

Tsinghua University,Beijing

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Abstract：
The potential distribution in the electrostatic decelerating lens is calculated with charge-density method.The Gill method is used to simulate the electron orbits.The resolution of the analyzer is 1.0eV at 20keV.The influence of the beam diameter,injection angle and the hole diameter of the third electrode to the resolution are discussed.Some additions to the experimental data are given by simulation.

References

[1]	V. G. Frst, Z. Angew. Physik, 10(1958), 546.[2] 胡玉民等，原子能科学技术，13,(1979),61.[3] Masayuki Fukao et al, Japan. J. of Appl. Phys., 14(1975), 1017.[4] A Renau et al., J. Phys. E: Sci. Instrum., 15(1982), 347.[5] 李明阳等，电子科学，8(1986),470,

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HU Yu-Min and LI Yi. NUMERICAL CALCULATION FOR ELECTROSTATIC DECELERATING LENS ENERGY ANALYZER[J]. Chinese Physics C, 1989, 13(6): 490-493.

HU Yu-Min and LI Yi. NUMERICAL CALCULATION FOR ELECTROSTATIC DECELERATING LENS ENERGY ANALYZER[J]. Chinese Physics C, 1989, 13(6): 490-493. shu

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Received: 1900-01-01
Revised: 1900-01-01

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沈阳化工大学材料科学与工程学院沈阳 110142

NUMERICAL CALCULATION FOR ELECTROSTATIC DECELERATING LENS ENERGY ANALYZER

HU Yu-Min ^,
LI Yi

Corresponding author: HU Yu-Min,

Tsinghua University,Beijing

Received Date: 1900-01-01
Accepted Date: 1900-01-01
Available Online: 1989-06-05

Abstract: The potential distribution in the electrostatic decelerating lens is calculated with charge-density method.The Gill method is used to simulate the electron orbits.The resolution of the analyzer is 1.0eV at 20keV.The influence of the beam diameter,injection angle and the hole diameter of the third electrode to the resolution are discussed.Some additions to the experimental data are given by simulation.